MavEtJu's Distorted View of the World

This APC power rails is a managed powerboard, which you can access
via (ssh|telnet|http|etc).

By default it takes its address via BOOTP, but it can be done via
DHCP too. But then, only when it finds a proper cookie in the DHCP
answer. After some trying out, this is what you have to configure
in the ISC-DHCP server to get it all working: